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    <meta charset="UTF-8">
    <title>Title</title>
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  <center>
      <h1>课程表</h1><br>
      <table border="5" style="text-align: center">
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          <td></td>
          <td>星期一</td>
          <td>星期二</td>
          <td>星期三</td>
          <td>星期四</td>
          <td>星期五</td>
        </tr>
        <tr>
          <td rowspan="4">上午</td>
          <td>语文</td>
          <td>数学</td>
          <td>英语</td>
          <td>体育</td>
          <td>生物</td>
        </tr>
        <tr>
          <td>生物</td>
          <td>数学</td>
          <td>英语</td>
          <td>语文</td>
          <td>体育</td>
        </tr>
        <tr>
          <td>语文</td>
          <td>数学</td>
          <td>英语</td>
          <td>体育</td>
          <td>生物</td>
        </tr>
        <tr>
          <td>语文</td>
          <td>数学</td>
          <td>英语</td>
          <td>体育</td>
          <td>生物</td>
        </tr>
        <tr>
          <td colspan="6">
            <a href="http://bilibili.com">午休，bilibili一下</a>
          </td>
        </tr>

        <tr>
          <td rowspan="4">下午</td>
          <td>语文</td>
          <td>数学</td>
          <td>英语</td>
          <td>体育</td>
          <td>生物</td>
        </tr>
        <tr>
          <td>语文</td>
          <td>数学</td>
          <td>英语</td>
          <td>体育</td>
          <td>生物</td>
        </tr>
        <tr>
          <td>生物</td>
          <td>数学</td>
          <td>英语</td>
          <td>语文</td>
          <td>体育</td>
        </tr>
      </table>
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